Respostas

2013-12-17T11:03:08-02:00
Vo = 0
s = 560m
v = 12m/s
t = 4,5s

v = vo+at
12 = 0 + a.4,5
4,5a = 12
a = 12/4,5
a = 120/45
a = 8/3
a ~ 2,66 m/s²


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